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  • Aphids  (1)
  • Cell & Developmental Biology  (1)
  • GAL4  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Determination of choline in phloem exudates of trees (1987)
    Springer
    Trees 1 (1987), S. 189-190 
    Details
    ISSN: 1432-2285
    Keywords: Aphids ; Choline ; Choline oxidase ; Phloem exudate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Choline, a necessary compound in an artificial diet for phloem-feeding aphids, was determined quantitatively in the phloem exudates of 16 tree species. The method used was a combination of choline oxidase action and oxygen determination with an oxygen electrode. Choline was found in all species, the concentration ranging between 36 and 5340 μM.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00193561
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Early development of the Drosophila mushroom bodies, brain centres for associative learning and memory (1997)
    Springer
    Development genes and evolution 207 (1997), S. 242-252 
    Details
    ISSN: 1432-041X
    Keywords: Key words Mushroom bodies ; Kenyon cells ; Enhancer-trap ; GAL4 ; Drosophila
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  We have studied the formation of Drosophila mushroom bodies using enhancer detector techniques to visualize specific components of these complex intrinsic brain structures. During embryogenesis, neuronal proliferation begins in four mushroom body neuroblasts and the major axonal pathways of the mushroom bodies are pioneered. During larval development, neuronal proliferation continues and further axonal projections in the pedunculus and lobes are formed in a highly structured manner characterized by spatial heterogeneity of reporter gene expression. Enhancer detector analysis identifies many genomic locations that are specifically activated in mushroom body intrinsic neurons (Kenyon cells) during the transition from embryonic to postembryonic development and during metamorphosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004270050112
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  • 3
    Electronic Resource
    Electronic Resource
    What's new: Conditional cell ablation in Drosophila (1993)
    New York, NY : Wiley-Blackwell
    BioEssays 15 (1993), S. 491-493 
    Details
    ISSN: 0265-9247
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Targeting of cell ablation agents under the control of tissue-specific promoters promises to be an important tool for studies of development and function in higher organisms. Temperature-sensitive cell ablation agents, recently developed for Drosophila, extend control to temporal as well as spatial aspects of toxin expression. Here we discuss achievements to date, together with a novel form of enhancer trap technology with the potential for driving toxin expression in a large range of cell types.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bies.950150710
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